H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/120
H01B 17/38 (2006.01)
Patent
CA 1221148
ABSTRACT OF THE DISCLOSURE This disclosure teaches an electrical insulator with improved glaze to pin electrical connection. A suitably contoured porcelain insulator shell is coated with a glaze for direct current or alternating current applica- tion and has a metal cap and a metal pin each situated at a surface of the insulator shell opposite to the other. The insulator shell forms a recess to receive the pin and Portland cement is poured therein for mechanically securing the pin embedded in the insulator shell. A conductive polymer composition is applied to cover the surface of the Portland cement to connect the pin for non-ionic current flow to the glaze and thus to accommodate passage of leakage current in a manner that generally prevents electrochemical corrosion of the pin with attendant cracking of the por- celain insulator. -15-
451347
Tatem William A.
Wheeler Edward S.
Goudreau Gage Dubuc
Lapp Insulator Company Llc
LandOfFree
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